I bought one of these solder stations a few years ago and it was crap. You might be lucky to get one that works properly but the tips are very poor quality IMO of course.
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The point seems to be being missed. It's less than nine quid and will do the occasional soldering job like refitting a plug on a cable just fine. If it doesn't work, you take it back, as with anything else faulty. I've never had a defective electrical tool from LIDL and I've got a few.
Interesting that the soldering iron has been announced so far ahead of time. I went yesterday to a local Lidl, and they did have a few items - battery packs 5000maAh and binoculars, but no soldering irons. I see that the scheduled date is 17th - but maybe not all the stores will have them anyway. i didn't notice any in the magazine for next week either, but some bottles of wine which might be OK (if not to drink, to cook with) are scheduled to be available at low prices.
I've noticed before that some items seem to be only available in a few stores.